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Issue 807796 link

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Issue metadata

Status: Verified
Owner: ----
Closed: Mar 2018
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug



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Direct-leak in blink::Node::SetNonAttachedStyle

Project Member Reported by ClusterFuzz, Jan 31 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6012839123484672

Fuzzer: marty_html_twiddler
Job Type: linux_lsan_chrome_mp
Platform Id: linux

Crash Type: Direct-leak
Crash Address: 
Crash State:
  blink::Node::SetNonAttachedStyle
  blink::Element::RecalcStyleForReattach
  blink::ContainerNode::RecalcDescendantStylesForReattach
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_lsan_chrome_mp&range=471280:471296

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6012839123484672

Issue filed automatically.

See https://github.com/google/clusterfuzz-tools for more information.
 
Project Member

Comment 1 by ClusterFuzz, Jan 31 2018

Components: Blink>DOM
Labels: Test-Predator-Auto-Components
Automatically applying components based on crash stacktrace and information from OWNERS files.

If this is incorrect, please apply the Test-Predator-Wrong-Components label.
Project Member

Comment 2 by ClusterFuzz, Jan 31 2018

Labels: Test-Predator-Auto-Owner
Owner: tkent@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/e71aa45ab3098edca75725a658d3624f5ed47108 (INPUT/TEXTAREA elements: Fix incorrect selectionStart/selectionEnd values after blur.).

If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label. If you aren't the correct owner for this issue, please unassign yourself as soon as possible so it can be re-triaged.

Comment 3 by tkent@chromium.org, Feb 1 2018

Components: -Blink>DOM Blink>CSS
Owner: ----
Status: Untriaged (was: Assigned)
My CL is unrelated to this stack.
No suspicious changes in the regression range.

Cc: brajkumar@chromium.org
Labels: M-64 Test-Predator-Wrong
Owner: tzik@chromium.org
Status: Assigned (was: Untriaged)
Predator and CL could not provide any possible suspects.

Using Code Search for the file, "Node.cpp" and observed there was some recent changes for the below file.

Suspect CL: https://chromium.googlesource.com/chromium/src/+/199f150cd5633d45678e35c6b90d75e5baa0f021%5E%21/third_party/WebKit/Source/core/dom/Node.cpp

tzik@ -- Could you please check whether this is caused with respect to your change, if not please help us in assigning it to the right owner.

Thanks!

Comment 5 by tzik@chromium.org, Feb 1 2018

Owner: ----
Status: Untriaged (was: Assigned)
No. It's unrelated.
Labels: CF-NeedsTriage
Unable to find actual suspect through code search and also from the provided CL, hence adding appropriate label fir further triage.

Thanks!
Owner: e...@chromium.org
Status: Assigned (was: Untriaged)
Assigning to the Style team TL

Comment 8 by e...@chromium.org, Feb 1 2018

Owner: futhark@chromium.org
Status: Started (was: Assigned)
Owner: ----
Status: Available (was: Started)
I was not able to reproduce this locally.
Project Member

Comment 12 by ClusterFuzz, Mar 30 2018

ClusterFuzz has detected this issue as fixed in range 546993:546996.

Detailed report: https://clusterfuzz.com/testcase?key=6012839123484672

Fuzzer: marty_html_twiddler
Job Type: linux_lsan_chrome_mp
Platform Id: linux

Crash Type: Direct-leak
Crash Address: 
Crash State:
  blink::Node::SetNonAttachedStyle
  blink::Element::RecalcStyleForReattach
  blink::ContainerNode::RecalcDescendantStylesForReattach
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_lsan_chrome_mp&range=471280:471296
Fixed: https://clusterfuzz.com/revisions?job=linux_lsan_chrome_mp&range=546993:546996

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6012839123484672

See https://github.com/google/clusterfuzz-tools for more information.

If you suspect that the result above is incorrect, try re-doing that job on the test case report page.
Project Member

Comment 13 by ClusterFuzz, Mar 30 2018

Labels: ClusterFuzz-Verified
Status: Verified (was: Available)
ClusterFuzz testcase 6012839123484672 is verified as fixed, so closing issue as verified.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.

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